Loudspeaker



FIG. 1 is a front-top-left perspective view of a first embodiment of a loudspeaker showing my design;

FIG. 2 is a rear-top-right perspective view of FIG. 1;

FIG. 3 is a front elevation view of FIG. 1;

FIG. 4 is a rear elevation view of FIG. 1;

FIG. 5 is a left side elevation view of FIG. 1;

FIG. 6 is a right side elevation view of FIG. 1;

FIG. 7 is a top view of FIG. 1; and,

FIG. 8 is a bottom view of FIG. 1. 

CLAIM The ornamental design for a loudspeaker, as shown and described. 